Finding the Fourth Proportional to 266,595,595.63, 367,812,818.74 and 155,062,760.62
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Solution
The fourth proportional to 266,595,595.63, 367,812,818.74 and 155,062,760.62 is: 213,934,783.61
Step by Step Solution
- Step 1: Write the proportion equation
266,595,595.63 : 367,812,818.74 = 155,062,760.62 : x - Step 2: Convert to fraction form
266,595,595.63/367,812,818.74 = 155,062,760.62/x - Step 3: Cross multiply
266,595,595.63x = 367,812,818.74 × 155,062,760.62 - Step 4: Simplify right side
266,595,595.63x = 57,034,071,063,409,008 - Step 5: Solve for x
x = 57,034,071,063,409,008/266,595,595.63 - Step 6: Final answer
x = 213,934,783.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.